Elastic joint

Details Elastic joint Elastic joint

1991-06-06

1994-02-15

Reese, Randolph A.

Joints and connections

Flexibly connected rigid members

Elastomer interposed between radially spaced members

403226, 403225, 403162, F16D 300

Patent

active

052861325

ABSTRACT:
A joint is described which has a pair of coaxially aligned elastic rings (5) of truncated conical form the respective vertices of which are directed in opposite ways and are engaged each between a central core (3) externally having an attachment surface (3a) of truncated conical form and an outer collar (4) internally having an attachment surface (4a) of truncated conical form converging towards a vertex (V) which is common to the converging vertex of the attachment surface (3a) of the core (3).
Each elastic ring (5) comprises an inner layer made of elastomeric material (10) and an outer layer (11) made of elastomeric material between which a laminar insert piece of truncated conical form (12) is inserted, the inner (12a) and outer (12b) surfaces of which converge towards the common vertex (V) of the attachment surfaces (3a, 4a).
The outer elastomeric layer (11) is greater in thickness that the inner elastomeric layer (10).
The described joint (1) has an improved fatigue limit.

REFERENCES:
patent: 2482488 (1949-09-01), Julien
patent: 3397584 (1968-08-01), Koch
patent: 4129394 (1978-12-01), Eichingert et al.
patent: 4395143 (1983-07-01), Bakken et al.
patent: 4671694 (1987-06-01), Brenner et al.
patent: 4772151 (1988-09-01), Lammers et al.
patent: 5031545 (1991-07-01), Bourgeot
patent: 5033722 (1991-07-01), Lammers

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